Notes On The Documentation 1; Storage Of Documents; Safety Instructions And Symbols; Validity Of The Instruction Manual - Vaillant ecotec plus Installation And Maintenance Instructions Manual

8.4 Cleaning the condensate siphon ........................... 41
8.5 Cleaning the condensate ducts ............................. 42
8.6 Cleaning the air separation system ...................... 42
8.6.1 Cleaning the filter ..................................................... 42
8.6.2 Cleaning the air separator ...................................... 42
8.7 Checking the charge pressure of the external
expansion vessel ........................................................ 42
8.8 Checking gas connection pressure
(gas inlet working pressure) ................................... 43
8.9 Checking the CO
2
8.10 Test operation ............................................................ 43
9 Troubleshooting ................................................. 43
9.1 Diagnostics .................................................................. 43
9.1.1 Status codes ............................................................... 43
9.1.2 Diagnosis codes ......................................................... 44
9.1.3 Fault messages........................................................... 47
9.1.4 Fault memory ............................................................. 47
9.2 Check programs ......................................................... 49
9.3 Resetting parameters to factory settings ........... 49
10 Replacing components ..................................... 50
10.1 Safety instructions .................................................... 50
10.2 Replacing the burner ................................................ 50
10.3 Replacing the fan or the gas valve ...................... 50
10.4 Replacing the heat exchanger ............................... 51
10.5 Replacing PCB and display ..................................... 52
11 Vaillant Service ................................................. 52
12 Recycling and disposal ..................................... 52
12.1 Boiler ............................................................................ 52
12.2 Packaging .................................................................... 52
13 Technical data ................................................... 53
Benchmark Commissioning and Servicing Section . 54
1 Notes on the documentation
The following instructions are intended to help you
throughout the entire documentation.
Further documents apply in combination with this
installation and maintenance manual.
We accept no liability for any damage caused by
non-observe these instructions.
Installation and maintenance instructions ecoTEC plus 0020214490_00
concentration .......................... 43

Notes on the documentation 1

Observing other applicable documents
You must observe all the operating and installation in-
structions included with the system components.
Auxiliary service equipment:
The following test and measuring equipment is required
for inspection and maintenance:
- CO measuring instrument
2
- U tube manometer or digital
The manuals for any accessories and controllers used
also apply.
1.1

Storage of documents

Please pass on these installation and maintenance
instructions and all other applicable documents to the
operator of the installation who is responsible for
keeping these documents for future reference when
required.
1.2

Safety instructions and symbols

Please observe the safety instructions in this manual for
the installation of the appliance!
The symbols used in the manual are explained below:
Danger!
d
Immediate risk of serious injury or death!
Danger!
e
Danger of death by electric shock!
H Danger!
Danger of burning or scalding!
a Caution!
Potentially dangerous situation for the product
and environment!
Note!
h
Useful information and instructions.
• Symbol for a necessary task
1.3

Validity of the instruction manual

These installation instructions apply exclusively to the
boiler with the following part number:
Type designation
VU GB 466/4-5 A
Table 1.1 Type designation and article number
The article number of the boiler can be found on the
identification plate.
Contents
Article number
00 10017819
3